2021
New rules at D-PHYS affecting Prof. Keller’s activities at ETH Zurich
Prof. Keller enters her retirement phase at ETH Zurich before new rules have been implemented enabling a delayed retirement age of up to 5 years (currently at 65). New rules implemented in the physics department (D-PHYS) with a space-time and budget-time integral requirement strictly applied to the Keller group.
Carrier-envelope offset frequency dynamics of a 10-GHz modelocked laser based on cascaded quadratic nonlinearities
Our manuscript entitled "Carrier-envelope offset frequency dynamics of a 10-GHz modelocked laser based on cascaded quadratic nonlinearities", published in Optics Express, has been highlighted as an Editor's Pick.
Unusual keynote talk at an international scientific conference
“Do photons show gender bias?” The request of the organizers was to address both scientific and gender topic in this talk. This talk is online and you find more info here
Ultrafast Lasers by Ursula Keller, Springer Verlag
A new graduate text in physics in production to be released in Dec. 2021. A comprehensive introduction to fundamental principles with practical applications.
Dual-comb modelocking and applications
Online student lecture by Prof. Ursula Keller for Applied Physics, Optics & Electronics at Stanford University